2 ^ x * 2 ^ ( x + 4 ) = 2 ^ ( x + x + 4 ) = 2 ^ ( 2x + 4 )
16 * 2 ^ ( x - 3 ) = ( 2 ^4 ) * 2 ^ ( x - 3 ) = 2 ^ ( x + 1 )
2 ^ x * 2 ^ ( x + 1 ) = 2 ^ ( 2x + 1 )
2 ^ ( 2x + 4 ) - 2 ^ ( 2x + 1 ) = 2 ^ ( 2x + 1 ) * ( 2^3 - 1 ) = 2 ^ ( 2x + 1 ) * 7
Ответ 7 * ( 2 ^ ( 2x + 1 ))
<span>5x-10(1+3x)=2x-6
-27x=4
x= -4/27</span>
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2(2.6x-4)=-30+5.09x
5.2x-8=-30+5.09x
5.2x-5.09x=-30+8
0.11x=-22
x=-22/0.11
x=-200
Ответ найдёте в фотографии)))